Evaluating diagnostic tests
نویسندگان
چکیده
منابع مشابه
Evaluating diagnostic tests
Anaesthesiologists are increasingly more involved in perioperative patient care wherein interpretation of special investigations is crucial to making therapeutic and prognostic decisions. Furthermore, anaesthetic journal publications increasingly rely on diagnostic tests, without paying sufficient attention to the methodology for evaluation of the predictive ability of these tests, particularly...
متن کاملGuidelines for meta-analyses evaluating diagnostic tests.
OBJECTIVES To introduce guidelines for the conduct, reporting, and critical appraisal of meta-analyses evaluating diagnostic tests and to apply these guidelines to recently published meta-analyses of diagnostic tests. DATA SOURCES Based on current concepts of how to assess diagnostic tests and conduct meta-analyses. They are applied to all meta-analyses evaluating diagnostic tests published i...
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We consider the performance of a diagnostic test based on continuous measurements in its ability to distinguish between healthy and diseased individuals. For a performance criterion we use Youden's (1950) index which is essentially the sum of the sensitivity and speci city. Based on available training set data, two types of nonparametric estimators for the optimal cuto level and for the index a...
متن کاملCompliance with methodological standards when evaluating ophthalmic diagnostic tests.
PURPOSE To draw attention to the importance of methodological standards when carrying out evaluations of ophthalmic diagnostic tests by reviewing the extent of compliance with these standards in reports of evaluations published within the ophthalmic literature. METHODS Twenty published evaluations of ophthalmic screening/diagnostic tests or technologies were independently assessed by two revi...
متن کاملThe impact of diagnostic tests in evaluating patients with syncope.
We reviewed the charts of 100 patients admitted to the hospital for evaluation of syncope. The charts were examined with special attention given to the causes of syncope, the frequency and benefit of diagnostic tests, and the relative cost of these tests. In 39 patients no etiology for syncope was found, and another 18 were felt to have had a vasovagal episode. Twelve patients had arrhythmias a...
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ژورنال
عنوان ژورنال: Southern African Journal of Anaesthesia and Analgesia
سال: 2004
ISSN: 2220-1181,2220-1173
DOI: 10.1080/22201173.2004.10872376